Boston scientific received information that during a follow-up appointment, it was noted that this patient had multiple pacemaker mediated tachycardia episodes and one non-sustained ventricular tachycardia.
The patient was given a holter monitor and upon review, it was noted this cardiac resynchronization therapy pacemaker (crt-p) exhibited undersensing of p-waves and crosstalk oversensing on the right ventricular (rv) channel.
The oversensing resulted in pacing inhibition greater than 2.
5 seconds.
The patient also has congenital heart block.
The rv lead is a competitor's product.
This crt-p was reprogrammed and remains in service.
No additional adverse patient effects were reported.
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